On Mon, Jun 29, 2015 at 10:58 PM, Claudio Freire <klaussfre...@gmail.com> wrote:
> On Fri, Jun 26, 2015 at 5:16 PM, Rostislav Pehlivanov
> <atomnu...@gmail.com> wrote:
>> + if (spread > NOISE_SPREAD_THRESHOLD &&
>> + ((sce->zeroes[w*16+g] && energy >= threshold) ||
>> + energy < threshold*(NOISE_LAMBDA_NUMERATOR/lambda))) {
>> + sce->band_type[w*16+g] = NOISE_BT;
>> + sce->pns_ener[w*16+g] = energy;
>> + sce->zeroes[w*16+g] = 0;
>> + }
>
>
> This should be:
> sce->pns_ener[w*16+g] = energy / sce->ics.group_len[w];
>
> Also, "spread > NOISE_SPREAD_THRESHOLD" works beetter as:
>
> spread > (NOISE_SPREAD_THRESHOLD * 120.f / lambda)
>
> And "energy < threshold*(NOISE_LAMBDA_NUMERATOR/lambda)" as:
>
> energy < threshold*(NOISE_LAMBDA_NUMERATOR*sce->ics.group_len[w]/lambda))
>
> (to account for the transient situation in which the encoder is
> switching to and form short windows)
With the new spread measure in patch #06, if committed, in this one
NOISE_SPREAD_THRESHOLD should be redefined to 0.5 (the active_lines
measure is normalized).
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